Oilpan: have Navigator and its supplements be on the heap by default.

Source/modules/netinfo/NavigatorNetworkInformation.h

Index: Source/modules/netinfo/NavigatorNetworkInformation.h
diff --git a/Source/modules/netinfo/NavigatorNetworkInformation.h b/Source/modules/netinfo/NavigatorNetworkInformation.h
index e4e15ade73673df6911e365d945b4a7009b66f49..a2b34ebcede5849284ab0f0c354a34a0e290ca2e 100644
--- a/Source/modules/netinfo/NavigatorNetworkInformation.h
+++ b/Source/modules/netinfo/NavigatorNetworkInformation.h
@@ -13,16 +13,14 @@ namespace blink {
 class Navigator;
 class NetworkInformation;
 
-class NavigatorNetworkInformation final
-    : public NoBaseWillBeGarbageCollected<NavigatorNetworkInformation>
-    , public WillBeHeapSupplement<Navigator>
-    , DOMWindowProperty {
-    WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(NavigatorNetworkInformation);
-    DECLARE_EMPTY_VIRTUAL_DESTRUCTOR_WILL_BE_REMOVED(NavigatorNetworkInformation);
+// TODO(Oilpan): when ~DOMWindowProperty is removed, derive from GarbageCollected<> instead.
+class NavigatorNetworkInformation final : public GarbageCollectedFinalized<NavigatorNetworkInformation>, public HeapSupplement<Navigator>, DOMWindowProperty {
+    USING_GARBAGE_COLLECTED_MIXIN(NavigatorNetworkInformation);
 public:
     static NavigatorNetworkInformation& from(Navigator&);
     static NavigatorNetworkInformation* toNavigatorNetworkInformation(Navigator&);
-    static const char* supplementName();
+
+    virtual ~NavigatorNetworkInformation();
 
     static NetworkInformation* connection(Navigator&);
 
@@ -32,7 +30,9 @@ private:
     explicit NavigatorNetworkInformation(Navigator&);
     NetworkInformation* connection();
 
-    PersistentWillBeMember<NetworkInformation> m_connection;
+    static const char* supplementName();
+
+    Member<NetworkInformation> m_connection;
 };
 
 } // namespace blink